With this app the Pythagorean Theorem is interactive. You can change the lengths of the legs (dragging), the length of the hypotenuse with two fingers and zoom (pinch zoom) and rotate the figure (dra...More: lessons, discussions, ratings, reviews,...

Tutorial fee-based software for PCs that must be downloaded to the user's computer. It covers topics from pre-algebra through pre-calculus, including trigonometry and some statistics. The software pos...More: lessons, discussions, ratings, reviews,...

Flash tutorial introducing the properties of exponents: product of two powers, power of a power, power of a product, power of a quotient, and quotient of two powers (including adding and subtracting...More: lessons, discussions, ratings, reviews,...

This is a pay for use site. You are permitted one free access per computer per day. In this activity, students divide exponential expressions by dragging and dropping the next step in the process into...More: lessons, discussions, ratings, reviews,...

This is a pay for use site, but you may access it once a day per computer for free. In this exercise, students are required to raise a product to a power by dragging and dropping the correct next ste...More: lessons, discussions, ratings, reviews,...

This is a pay for use site that has one free access per computer per day. Students multiply expressions with exponents by dragging and dropping the next step into a box. Feedback is given if the wrong...More: lessons, discussions, ratings, reviews,...

This material is based upon work supported by the
National Science Foundation under Grant DUE-0226284.
Any opinions, findings, and conclusions or recommendations
expressed in this material are those of the author(s)
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National Science Foundation.